Home / 14,216,072.40-21,282,118.20-9,429,166.80

Finding the Fourth Proportional to 14,216,072.40, 21,282,118.20 and 9,429,166.80

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Solution

The fourth proportional to 14,216,072.40, 21,282,118.20 and 9,429,166.80 is: 14,115,899.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,216,072.40 : 21,282,118.20 = 9,429,166.80 : x
  2. Step 2: Convert to fraction form
    14,216,072.40/21,282,118.20 = 9,429,166.80/x
  3. Step 3: Cross multiply
    14,216,072.40x = 21,282,118.20 × 9,429,166.80
  4. Step 4: Simplify right side
    14,216,072.40x = 200,672,642,365,115.78
  5. Step 5: Solve for x
    x = 200,672,642,365,115.78/14,216,072.40
  6. Step 6: Final answer
    x = 14,115,899.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.